AD590LF Datasheet

Board Mount Temperature Sensors


The AD590LF is a 2-terminal integrated circuit temperature transducer that produces an output current proportional to absolute temperature. For supply voltages between 4 V and 30 V the device acts as a high-impedance, constant current regulator passing 1 μA/K. Laser trimming of the chip’s thin-film resistors is used to calibrate the device to 298.2 μA output at 298.2 K (25°C). AD590LF Features • Linear current output: 1 μA/K• Wide temperature range: −55°C to +150°C• Probe compatible ceramic sensor package• 2-terminal device: voltage in/current out• Laser trimmed to ±0.5°C calibration accuracy (AD590M)• Excellent linearity: ±0.3°C over full range (AD590M)• Wide power supply range: 4 V to 30 V• Sensor isolation from case• Low cost


[{"Name":"Output Type ","Value":"Analog "},{"Name":"Accuracy","Value":"1 C "},{"Name":"Digital Output - Bus Interface","Value":"2-Wire, I2C, SMBus"},{"Name":"Supply Voltage - Max ","Value":"30 V "},{"Name":"Supply Voltage - Min ","Value":"4 V "},{"Name":"Maximum Operating Temperature ","Value":"+ 150 C "},{"Name":"Minimum Operating Temperature","Value":"- 55 C"},{"Name":"Mounting Style","Value":"SMD/SMT"},{"Name":"Package / Case","Value":"FlatPack-2"},{"Name":"Device Function","Value":"Temperature Transducer "}]

Manufacturer information


Taiwan Semiconductor

- Recognized for more than 37 years for its core competence in discrete power rectifiers, Taiwan Semiconductor has expanded its product portfolio to include trench schottkys,  analog ICs, LED driver ICs, power transistors and MOSFETs,  and now provides a complete solution from one source.  Taiwan Semiconductor products are used in a vast array of applications in the electronics industry, including automotive, computer, consumer, industrial, telecom and photovoltaic.

Through strategic expansion of innovative manufacturing capabilities, and its focus on pioneering efficient semiconductor solutions, Taiwan Semiconductor is committed to being the right choice for a successful and lasting business relationship and offers these key advantages:

  • Broad selection of semiconductor products from one source

  • Modern, efficient, and customer-oriented logistics processes

  • Maximum flexibility including customer specific requirements

  • Maximum level of quality and performance for customer applications

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